Powder metallurgy processes – Powder metallurgy processes with heating or sintering – Metal and nonmetal in final product
Patent
1987-01-02
1989-03-21
Sheehan, John P.
Powder metallurgy processes
Powder metallurgy processes with heating or sintering
Metal and nonmetal in final product
419 25, 419 29, 419 54, 419 55, 148104, C22C 3200
Patent
active
048141399
ABSTRACT:
A thermally stable permanent magnet with reduced irreversible loss of flux and improved intrinsic coercivity iHc of 15KOe or more having the following composition:
Hagi Chitoshi
Kogure Hiroshi
Meguro Noriaki
Tokunaga Masaaki
Hitachi Metals Ltd.
Sheehan John P.
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